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Information Journal Paper

Title

PRODUCTIVITY, PRODUCTION RATE AND COST OF TREE FELLING, DELIMBING, AND BUCKING USING CHAINSAW IN KHEYRUD FOREST

Pages

  55-68

Abstract

TREE FELLING is the most important component among tree harvesting which has consists of cutting and, limbing and BUCKING. This research was carried out in two compartments in Namkhaneh district of Kheyrud Forest. The Objects of this study were the TIME STUDY of TREE FELLING operation, limbing and BUCKING, estimating of productivity and COSTs of chainsaw, and developing REGRESSION MODEL. Factors that affecting on felling time REGRESSION MODELs were DBH of harvested tree and inter-tree distance and limbing and BUCKING times were DBH of harvested tree. The hourly PRODUCTION of TREE FELLING, limbing, and BUCKING without delay time was 76.9, 14.2 & 57.41 m3/h, respectively. Productivity of chainsaw felling, limbing, and BUCKING was increasing related to tree DBH as power. The total unit COST of chainsaw felling, limbing, and BUCKING without delay time with and without delay time were 63420 and 48730 Rials/m3, respectively. The COST of tree limbing consists of 70 percentage of total COST and BUCKING and TREE FELLING operation consist of 17 and 13 percentage of total COST, respectively. The COST of felling, limbing, and BUCKING was increased as simple exponential equation when DBH of harvested tree was increased. The cycle time for felling, limbing, BUCKING, and delay averaged 3.1, 17.2, 4.2, and 6.1 minutes, respectively. Finally, we concluded that not doing the limbing and BUCKING until starting the skidding operation might cause many delays during the operation that should be considered.

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    Cite

    APA: Copy

    JOURGHOLAMI, MEGHDAD, ETEHADI ABARI, M., & FATHI, J.. (2011). PRODUCTIVITY, PRODUCTION RATE AND COST OF TREE FELLING, DELIMBING, AND BUCKING USING CHAINSAW IN KHEYRUD FOREST. RESEARCH JOURNAL OF FOREST SCIENCE AND ENGINEERING, 1(2), 55-68. SID. https://sid.ir/paper/238632/en

    Vancouver: Copy

    JOURGHOLAMI MEGHDAD, ETEHADI ABARI M., FATHI J.. PRODUCTIVITY, PRODUCTION RATE AND COST OF TREE FELLING, DELIMBING, AND BUCKING USING CHAINSAW IN KHEYRUD FOREST. RESEARCH JOURNAL OF FOREST SCIENCE AND ENGINEERING[Internet]. 2011;1(2):55-68. Available from: https://sid.ir/paper/238632/en

    IEEE: Copy

    MEGHDAD JOURGHOLAMI, M. ETEHADI ABARI, and J. FATHI, “PRODUCTIVITY, PRODUCTION RATE AND COST OF TREE FELLING, DELIMBING, AND BUCKING USING CHAINSAW IN KHEYRUD FOREST,” RESEARCH JOURNAL OF FOREST SCIENCE AND ENGINEERING, vol. 1, no. 2, pp. 55–68, 2011, [Online]. Available: https://sid.ir/paper/238632/en

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